1215760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 3499776

約数和(自身を除く): 2284016

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 167, 182, 208, 260, 280, 334, 364, 455, 520, 560, 668, 728, 835, 910, 1040, 1169, 1336, 1456, 1670, 1820, 2171, 2338, 2672, 3340, 3640, 4342, 4676, 5845, 6680, 7280, 8684, 9352, 10855, 11690, 13360, 15197, 17368, 18704, 21710, 23380, 30394, 34736, 43420, 46760, 60788, 75985, 86840, 93520, 121576, 151970, 173680, 243152, 303940, 607880, 1215760]

約数ペア:

[(1, 1215760), (2, 607880), (4, 303940), (5, 243152), (7, 173680), (8, 151970), (10, 121576), (13, 93520), (14, 86840), (16, 75985), (20, 60788), (26, 46760), (28, 43420), (35, 34736), (40, 30394), (52, 23380), (56, 21710), (65, 18704), (70, 17368), (80, 15197), (91, 13360), (104, 11690), (112, 10855), (130, 9352), (140, 8684), (167, 7280), (182, 6680), (208, 5845), (260, 4676), (280, 4342), (334, 3640), (364, 3340), (455, 2672), (520, 2338), (560, 2171), (668, 1820), (728, 1670), (835, 1456), (910, 1336), (1040, 1169)]